After some clicking, I ended up on a Medicare.gov site with phone numbers for applying for Medicaid.
FORBES: Shopping For Health Insurance Can Be An Adventure
For related questions, you can check the publication " Medicare and Other Health Benefits: Your Guide to Who Pays First, " available at medicare.gov.
WSJ: Ask Encore: Answers About Social Security, Insurance and IRAs
You can get details on each at Medicare.gov.
FORBES: 4 Mistakes To Avoid When Enrolling In Medicare
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。